Abstract
People spend approximately 80% of their time indoors, which is why indoor air quality is important for human health in recent years. Instant determination of the changing indoor air quality, especially in public buildings, and implementing appropriate prevention measures is therefore necessary. One of the most important air pollutants is total volatile organic compounds. The purpose of this study was to measure simultaneously the concentration of total volatile organic compounds by two different methods; wireless sensor and passive sampling. The passive sampling period was chosen as one week, so samples were collected 4 times in one month. Passive samples were collected using Radiello stainless steel tubes in two different laboratories and were analyzed by thermal desorber and gas chromatography-mass spectrometer instrumentals. In the wireless sensor networks, data were collected every minute for a month at the same points in the same laboratories. The two methods were compared and the observed accuracy of the methods was about 5.89%. The classical method (passive sampling) is expensive and the result isn’t prepared on time. In this paper, we offer a low-cost indoor air quality monitoring wireless sensor network system. Hence, the sensors record the results in real time, allowing us to observe changes immediately and intervene as needed. Therefore, in public places, the use of wireless sensor network systems will have a major positive impact in terms of saving time and money, as well as protecting the health of personnel.
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Acknowledgements
We would like to thank the Scientific Industrial and Technological Applications and Research Centre (SITARC) of Bolu Abant Izzet Baysal University for the utilization of laboratories.
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All authors contributed to the study conception, design, data collection and analysis. Dr. Sanaz Lakestani design and management, methodology and data processing, writing, review, and editing. Assis. Prof. Dr. Mehmet Milli design of wireless sensor networks, software and data processing, writing, review, and editing.
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Not applicable (There is no human or animal subject in this study so no need for ethical approval).
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Editorial responsibility: Shahid Hussain.
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Lakestani, S., Milli, M. Comparison of classical and sensor-based methods for determination of indoor air quality. Int. J. Environ. Sci. Technol. (2024). https://doi.org/10.1007/s13762-024-05708-3
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DOI: https://doi.org/10.1007/s13762-024-05708-3